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# Copies a file
def cp(source, dest)
IO.copy_stream source, dest
end
# Creates each directory in path that does not exist.
def mkdir_p(path)
parts = File.expand_path(path).split %r[/|\\]
name = parts.shift
parts.each do |part|
name = File.join name, part
if File.file? name
raise ArgumentError, "path component of #{path} is a file"
end
unless File.directory? name
begin
Dir.mkdir name
rescue Errno::EEXIST => e
if File.directory? name
# OK, another process/thread created the same directory
else
raise e
end
end
end
end
end
# Recursively removes all files and directories in +path+
# if +path+ is a directory. Removes the file if +path+ is
# a file.
def rm_r(*paths)
paths.each do |path|
path = File.expand_path path
prefix = SPEC_TEMP_DIR
unless path[0, prefix.size] == prefix
raise ArgumentError, "#{path} is not prefixed by #{prefix}"
end
# File.symlink? needs to be checked first as
# File.exist? returns false for dangling symlinks
if File.symlink? path
File.unlink path
elsif File.directory? path
Dir.entries(path).each { |x| rm_r "#{path}/#{x}" unless x =~ /^\.\.?$/ }
Dir.rmdir path
elsif File.exist? path
File.delete path
end
end
end
# Creates a file +name+. Creates the directory for +name+
# if it does not exist.
def touch(name, mode="w")
mkdir_p File.dirname(name)
File.open(name, mode) do |f|
yield f if block_given?
end
end
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